An advantage of field research is a. hypotheses can be rigorously tested. b. it enables the researcher to draw statistical conclusions about the population. c. it always employs the newest form of technology. d. social processes can be studied over time. e. the researcher can control the variables under study.

(hurry! ) which expression is equivalent to the following complex fraction?

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

What is the value of f(x) = 2.2 for f(-2)?